Thibaut Giraud

French philosopher

Thibaut Giraud (born 6 August 1986 in Paris) is a French philosopher, writer, science communicator and professor of philosophy who holds a doctorate in philosophy. His French-language YouTube channel, Monsieur Phi, covers philosophy and had about 391,000 subscribers in December 2025. He is the author of the book Curiosités philosophiques, de Platon à Russell and co-hosted Axiome, a podcast on philosophy and mathematics, with Lê of Science4All.